#28062 NTPサーバのタイムスタンプJSON型のURLに変更

app/src/main/java/jp/odakyu/toiletsignage/connection/NtpServerConnection.java

@@ -14,7 +14,7 @@ import java.net.URL;
  */
 
 public class NtpServerConnection {
-    private static final String NTP_SERVER_URL = "http://ntp-a1.nict.go.jp/cgi-bin/ntp";
+    private static final String NTP_SERVER_URL = "http://ntp-a1.nict.go.jp/cgi-bin/json";
     private static final int CONNECTION_TIMEOUT = 5 * 1000;
     private static final int READ_TIMEOUT = 5 * 1000;
 
@@ -44,9 +44,7 @@ public class NtpServerConnection {
                 bufferedReader = new BufferedReader(inReader);
                 String line;
                 while ((line = bufferedReader.readLine()) != null) {
-                    if (line.indexOf("<") == -1 && line.indexOf(">") == -1) {
-                        result.append(line);
-                    }
+                    result.append(line);
                 }
                 return result.toString();
             }

app/src/main/java/jp/odakyu/toiletsignage/task/UpdateToiletInfoTask.java

@@ -12,6 +12,8 @@ import java.io.DataOutputStream;
 import java.io.IOException;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
+
+import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.TimerTask;
@@ -128,14 +130,14 @@ public class UpdateToiletInfoTask extends TimerTask {
      * NTPサーバーの時刻を取得し、端末時刻にセット
      * @throws IOException
      */
-    private void synchronizingNtpServerDate() throws IOException {
+    private void synchronizingNtpServerDate() throws IOException, JSONException {
         if(isAbnormalYear()) {
-            String result = NtpServerConnection.connectionNtpServer();
-
-            Logger.d(TAG, "NTP Server Time : " + result);
+            String jsonString = NtpServerConnection.connectionNtpServer();
+            JSONObject jsonObject = new JSONObject(jsonString);
+            Long ntpTimeMillis = (long) ((Double) jsonObject.get("st") * 1000);
+            Logger.d(TAG, "NTP Server ntpTimeMillis : " + ntpTimeMillis);
             //ntpサーバから取得時間の結果が秒(xxxxxxxxxx.xxx)なのでミリ秒に変換のため、小数点を削除
-            String ntpTimeMillis = result.replace(".", "");
-            String cmd = "date " + DateTimeUtil.convertNtpTimeToStringTime(Long.parseLong(ntpTimeMillis), DateTimeFormat.MMDDHHmmyyyyss__colon);
+            String cmd = "date " + DateTimeUtil.toString(new Timestamp(ntpTimeMillis), DateTimeFormat.MMDDHHmmyyyyss__colon);
             Logger.d(TAG, "Command : " + cmd);
             runAsRoot(cmd);
         }

app/src/main/java/jp/odakyu/toiletsignage/util/DateTimeUtil.java

@@ -538,12 +538,4 @@ public class DateTimeUtil {
 		df.setTimeZone(TimeZone.getTimeZone("GMT"));
 		return df.format(date)+ " GMT";
 	}
-
-	public static String convertNtpTimeToStringTime (long ntpTime, String format) {
-		//NTP時刻(基準年度：1900年)とUTC時刻(基準年度：1970年)のオフセット(ミリ秒)
-		long offset = (long) 25567 * 24 * 60 * 60 * 1000;
-
-		long result = ntpTime - offset;
-		return new SimpleDateFormat(format).format(new Timestamp(result));
-	}
 }